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using System.Collections.Generic;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Dialogs;
using XenAPI;


namespace XenAdmin.Commands
{
    /// <summary>
    /// Removes the crash-dumps from the selected host.
    /// </summary>
    internal class RemoveHostCrashDumpsCommand : Command
    {
        /// <summary>
        /// Initializes a new instance of this Command. The parameter-less constructor is required if 
        /// this Command is to be attached to a ToolStrip menu item or button. It should not be used in any other scenario.
        /// </summary>
        public RemoveHostCrashDumpsCommand()
        {
        }

        public RemoveHostCrashDumpsCommand(IMainWindow mainWindow, IEnumerable<SelectedItem> selection)
            : base(mainWindow, selection)
        {
        }

        public RemoveHostCrashDumpsCommand(IMainWindow mainWindow, Host host)
            : base(mainWindow, host)
        {
        }

        protected override void ExecuteCore(SelectedItemCollection selection)
        {
            Host host = selection[0].HostAncestor;

            using (var dialog = new WarningDialog(string.Format(Messages.REMOVE_CRASHDUMP_WARNING, host.Name().Ellipsise(30)),
                new ThreeButtonDialog.TBDButton(Messages.SERVER_STATUS_REPORT, DialogResult.Ignore, ThreeButtonDialog.ButtonType.CANCEL, true),
                new ThreeButtonDialog.TBDButton(Messages.REMOVE_FILES, DialogResult.OK, ThreeButtonDialog.ButtonType.ACCEPT),
                ThreeButtonDialog.ButtonCancel))
            {
                var result = dialog.ShowDialog(Parent);

                if (result == DialogResult.OK)
                    new DestroyHostCrashDumpAction(host).RunAsync();
                else if (result == DialogResult.Ignore)
                    new Wizards.BugToolWizard(host).Show();
            }
        }

        protected override bool CanExecuteCore(SelectedItemCollection selection)
        {
            if (selection.Count == 1)
            {
                Host hostAncestor = selection[0].HostAncestor;
                return hostAncestor != null && hostAncestor.HasCrashDumps();
            }
            return false;
        }

        public override string MenuText => Messages.MAINWINDOW_REMOVE_HOST_CRASHDUMPS;

        public override string ContextMenuText => Messages.MAINWINDOW_REMOVE_HOST_CRASHDUMPS_CONTEXT_MENU;
    }
}
